Acacia pycnantha – Golden Wattle

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Scientific Name

Acacia pycnantha Benth.

Common Names

Golden Wattle, Australian Golden Wattle

Synonyms

Acacia falcinella, Acacia petiolaris, Acacia westoni

Scientific Classification

Family: Fabaceae
Subfamily: Mimosoideae
Tribe: Acacieae
Genus: Acacia

Flower

Color: Yellow
Bloom Time: Late winter and spring

Description

Acacia pycnantha is an evergreen tree up to 26 feet (7.8 m) tall and has phyllodes (flattened leaf stalks) instead of true leaves. Sickle-shaped, these are up to 6 inches (15 cm) long, and up to 1.5 inches (3.8 cm) wide. The profuse fragrant, yellow or golden-yellow flowers appear in late winter and spring, followed by long seed pods.

Acacia pycnantha - Golden Wattle

Photo via australian-adaptation.weebly.com

Hardiness

USDA hardiness zone 7a to 10b: from 0 °F (−17.8 °C) to 40 °F (+4.4 °C).

How to Grow and Care

Acacia requires full sunlight and grows in nearly any type of soil, including sand, clay, or soil that is highly alkaline or acidic. Although Acacia prefers well-drained soil, it tolerates muddy soil for short periods of time. Acacia is basically a plant-it-and-forget-it type of tree, although a young tree may need protection from wildlife while it develops its defense system. During the first year, the tree benefits from an orchid fertilizer every three to four weeks. After that time, you can feed the tree a general purpose fertilizer once every year, but it isn’t an absolute requirement. Acacia requires little or no water.

Acacia may need occasional pruning during the dry months. Avoid pruning leafy, green areas and trim only dead growth.

Although the tree is disease-resistant, it can sometimes be affected by a fungal disease known as anthracnose. Additionally, watch for pests such as aphids, thrips, mites and scale… – See more at: How to Grow and Care for Acacia

Origin

Native to southeastern Australia.

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